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Old 08-28-2007, 02:38 AM   #1
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TD04 rebuild questons.

Well began to take apart the fucked up td04 and to rebuil it with the one from Ethan.

Problems already. When I began to unbolt the comperssor bolt it just snapped off with barely any pressure........Fuck. So a little bit of searching online left me with the discovery based on the rebuild tutorial for a wrx td04 that the compressor nut is a LEFT THREADED NUT. As little pressure applied that snapped mine off probably wouldn't stayed together had I known that to begin with.

So my question is do I have to buy a whole new turbine? Looking at the assemblies it looks as if the turbine blade does not come off the shaft. At least I have Leo's good td04 to go on the car.

Rebuild walkthrough.



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Last edited by NahumCC; 03-18-2009 at 10:51 AM. Reason: updated to correct site link for rebuild pictures as reference.
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Old 08-28-2007, 03:11 AM   #2
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I'll post a pic up of the center sections as the turbine sides are slightly different and I'm curious if one is missing a part. Other than having to use a punch and mallet to get my turbine shaft out of the junked compressor wheel it was extremely easy to disassemble. Pics after I come back from night class if I can find a camera.





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Last edited by NahumCC; 08-28-2007 at 05:29 AM. Reason: Picture added.
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Old 08-28-2007, 05:37 AM   #3
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Is the compressor shaft long enough to re-thread it for another bolt?
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1989 900 SPG: Trionic 5(stg1), Aero seats, TD04-15G, 3" Turboback. SOLD
1993 9000 Aero: 3"Turboback, T5Suite Stg.3
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Old 08-28-2007, 05:46 AM   #4
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i doubt he can thread another nut on it, and if he could id be scared it would screw with the balence.. from what i understand its left threaded so when the turbo is spinning it cant loosen the nut and commit suicide..
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Old 08-28-2007, 05:49 AM   #5
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Quote:
Originally Posted by dan-the-kid View Post
Is the compressor shaft long enough to re-thread it for another bolt?
No its deffinitely not. However waiting on a pm from Chad, previous owner of good core to tell me why the turbine blade was bad. It looks the same as mine and to be in good condition as is the compressor blade. It needed a rebuild so I was taking it apart. All I'd need for that is another compressor bolt and it can be put together with my good housings and voila, back up td04 or for sale td04.

Oh and my parts window lol.



Thanks Leo (good td04 and both gs engine and trans mounts)





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Old 08-28-2007, 06:13 AM   #6
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Ok got a reply from Chad. It was a few of the threads on top of his turbine shaft that were stripped so go figure I snap off the piece I need. OIY. Got the bolt of the piece I snapped and tried to get it to thread on but no good.

So two options.

1.) Buy a new turbine or get lucky at a junk yard

2.) Is it possible to have the strip sectoin rethreaded if I take it to a machine shop?

As to the two turbines being different Chad mentioned there might have been difference between the aero (9-5 or 9k he wasn't specific) and/or the viggen but it sat in perfectly inside the turbine housing so I'm not worried. If I have to buy a new blade what blade is on the turbine side?

Who's got a good turbine and turbine shaft from a junk turbo that they'll kindly donate .



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Old 08-28-2007, 06:48 AM   #7
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call me & Ill be as helpful as possible
take care
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Old 08-28-2007, 10:16 AM   #8
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I'll call inbetween my shifts at work Jak. As you can see the turbo you sold Leo is just waiting for me to be able to purchase material to make ss lines.



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Old 10-10-2007, 06:06 AM   #9
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The rebuild walkthrough (mine) referenced in the 1st post is now available at a new location:

http://www.stage-infinity.com/2007/0...turbo-rebuild/
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Old 10-10-2007, 06:37 AM   #10
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Quote:
Originally Posted by StageInfinity View Post
The rebuild walkthrough (mine) referenced in the 1st post is now available at a new location:

http://www.stage-infinity.com/2007/0...turbo-rebuild/
Wow, who know the writer of that rebuild would find this and join! Welcome to the link.



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Old 10-15-2007, 09:48 AM   #11
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I finished rebuilding a lousy Viggen TD-04 I got off of eBay a few weeks ago, so I might be able to offer a few tips. There were three different turbine shafts used on the TD-04. The HL model, which is what the Viggen uses, has a unique shaft. I had to buy a new one since the piston ring groove on mine was so worn it wouldn't seal. It cost me $160 or so from the G-Pop Shop. It was a brand new part from Melett in England, and looked to be very nicely made. Melett's website has a ton of nice diagrams and part numbers if you're looking for parts. The Viggen turbo is also what they call a superback, which has a domed protrusion on the back of the compressor wheel and uses a unique flinger and compressor end plate. Most rebuild kits aren't for superback models, so keep your old parts or make sure to get the right ones. I threw mine out and had to get new parts, also from the G-Pop Shop. After all of that, the turbo works beautifully. It spins nicely and there isn't a whiff of smoke out of the tailpipe! I was lucky to have a local marine repair shop with an in-house turbo specialist who could balance it for me.
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Old 10-15-2007, 07:39 PM   #12
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Wow thanks for that insight.



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Old 03-18-2009, 10:51 AM   #13
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Ok. So question time.

Every rebuild kit shows two little snap rings and on melett's diagram it shows them behind the journal bearings. How do you get them out? I can see it in mine but not with the part you would grab using snap ring pliers. Also have the turbine journal bearing stuck in the CHRA. How the hell do I get it out. Have been able to knock the thing loose.

Also courtesy of Melett I've discovered I really do have a piece missing from my good core in need of rebuild. The heat shield, piece 18 on there break down.



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Old 03-18-2009, 11:11 AM   #14
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Ok so go here and watch the 19T upgrade video...and the rebuild video.

http://www.blouchturbo.com/video/


Also hit this site up.....

http://www.kickflop.net/wp/?p=21

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Old 03-18-2009, 11:14 AM   #15
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Thanks steve. Still weighing my options out and going through my parts closet. Found an old td04 core I bought in need of a rebuild and turbine shaft but its missing the heat shield on the turbine side.



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Old 03-18-2009, 11:15 AM   #16
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Let me check the parts bin.. I may have a shaft and heat shield too.... I will let you know.
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Old 03-18-2009, 11:23 AM   #17
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That would be awesome.

Edit: The 19t unit they started with a brand new turbo and didn't remove the snap ring below the journal bearing . Second, the kick flop site you listed was the old site used by StageInfinity above us. I updated the link to the correct site in my first post but even he doesn't show removing the snap ring.



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Old 03-18-2009, 01:39 PM   #18
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Ok, got the heat shield for the turbine off the junk core.



A bit concerned about its appearance. It's also chipped in one section (silver spot in the top of it). I'm assuming junk right?

Edit: managed to also get the retaining ring for the journal bearings to courtesy of a suggestion on Dip's site. Used a small flat bladed screw driver in the same way he said an awl could be used. Worked like a charm.



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